<!DOCTYPE html>
<html lang="utf-8">
<head>
    <meta charset="utf-8">
    <title>监听自定义事件</title>
    <script src="../js/vue.min.2.7.0.js"></script>
</head>
<body>
<div id="app">

</div>
<script>
    // import Parent from "./parent.vue";
    new Vue({
        el:'#app',
        components: ()=>import("parent.vue")
    })
</script>
</body>
</html>